Rocks and minerals of Pennsylvania
By: by John H. Barnes ; illustrations by Samuel W. Berkheiser
Contributors: Berkheiser, Samuel W; Lapham, Davis M.
Edition: 3rd ed., rev
Series: Educational series -- 1; Educational series (Pennsylvania. Bureau of Topographic and Geologic Survey) -- no. 1
Publisher: Commonwealth of Pennsylvania, Dept. of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey
Published: 1997
Place of publication: [Harrisburg, Pa.]
Language: eng
Number of pages: 30
Subjects: Minerals -- Pennsylvania -- Popular works; Rocks -- Pennsylvania -- Popular works; Mineralogy -- Pennsylvania -- Popular works; Geology -- Pennsylvania -- Popular works
Genres: Popular works
Notes: Originally published under title Common rocks and minerals of Pennsylvania, / by Davis M. Lapham, Alan R. Geyer, 1962

"Third edition, June 1991; Revised, March 1997"--T.p. verso

"Pennsylvania Geological Survey, fourth series."

Includes bibliographical references (p. 30)